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钢筋图纸标注解释入门知识.-怎样看钢筋图纸的基本知识 - 百度文库

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˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

ڶ

KZλòͬΪҲ˸ݽĶê̸ͬο03G10113738ҳ һ

ݽȣ㾻Hnֽêֵôֽêֵοǵأ

êQLaeߣ㣫12d aڲֽê̳Ϊ ֱêRLaeߣ

R1.5Lae

bֽê̳Ϊ һ㣺Rߣ㣫㣫8d ڶ㣺Rߣ㣫 ע⣺GGJ V8.1Уڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ֽê̳ȣMax{1.5Lae ߣ㣫}

ݽȣ㾻Hnֽêֵôֽêֵοǵأ

ݽê̷Ϊڲֽêֽ̺ệ

aڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ bֽê̳ΪR1.5Lae

ע⣺GGJ V8.1Уڲֽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ֽê̳ȣMax{1.5Lae ߣ㣫}

ݽȣ㾻Hnֽêֵôֽêֵοǵأ

ݽê̳Ϊ êQLaeߣ㣫12d ֱêRLaeߣ ע⣺GGJ V8.1Уͬϡ

ʵʹУ֪ΪԤưֽ壬ҪֽIJ ҪУ (˫򣬵˫)֧ֲ Ӹֽ (DzӷڸӸֽ)ŽŸֽ (˫ֽʱ֧²) һ

Уijġ

=߳ߴ+ê+ê+乳Ǣ񼶽 ߳-ۼֵ/࣫1 ֲ

=++

Χ-ۼֵ/࣫1 ֲ=÷Χ-ۼֵ

ֲ=иij/ֲ+1

Ӹֽ(DzӷڸӸֽ)֧Ÿֽ(˫ֽʱ֧²) ʵֱӼֽijȡɣпֱ뷨㡣

ΪʲôֽУ135o乳мΪ11.9d

йʱȡ11.9Dʵ乳ȲֵĽ֪乳ƽֱγ10DôȲֵӦ1.9DƵһ1.9DȲֵ ƤĽ1000+300߼ôǣ

1000-D/2-d+135/360*3.14*D/2+d/2*2+300,Dȡǹ淶涨С뾶2.5dʱúʽӼǰʽӵĽǣ1.87d1.9d гֵʱδ

ڵϢá/ֲͬĵŵС2B22/2B25ĴȰһһӦȥ250/3002B22Ӧ2502B25Ӧ300

м֧ĸֽͬʱδģ

м֧ĸֽͬʱֱ뵱ǰ֧һ֧ĸֽԭ֧ĸֽͬͨͬệжԭʽͬͨͬê̡֧Ϊ5B22һ֧Ϊ5B222B20522ĸֽ֧ͨ220ê֧ δģ УıΪ֣

1߲>1/6ʱĸʽǷͬĸֽȫê̽м㡣۳Ϊ15d߲

2߲<1/6ʱ֧ĸֽͬжд Ļǿȵȼ仯δݽ Ļǿȵȼ仯ݽĴ 1ݽõѹĻǿȵȼã

2ݽðӣ12ΪC45310ΪC35ҪֿһΪC45Ϊ3㣬3ֻ빹ߴ缰ߣĿDz2Ϊệһ110㣬12ֻ빹ߴ缰ߣֽϢ3㿪ʼ룬ͿԽˡ

ÿ׸Բֽȼ㹫ʽL=NP*P+(D-2b+do)^2*^2^0.5+乳 ʽУ

N=ȦN=L/PLΪԲ

P=ݾ D=ֱ do=ֱֽ b=. ⣺

ֽ=ֽ㳤*øֽÿ

ֽܺ=ֽ*[1+ֽ] ֽݾ

ֽ=ֱֽƽԺΪλ*0.00617

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